Παραπομπή σε μορφή APA (7η εκδ.)

Hudson, H. D. (1952). The Progressive Mine Workers of America: A study in rival unionism. University of Illinois.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hudson, Harriet D. The Progressive Mine Workers of America: A Study in Rival Unionism. Urbana: University of Illinois, 1952.

Παραπομπή σε μορφή MLA (8th εκδ.)

Hudson, Harriet D. The Progressive Mine Workers of America: A Study in Rival Unionism. University of Illinois, 1952.